3220276 has 48 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 1379840.

The previous prime is 3220271. The next prime is 3220289. The reversal of 3220276 is 6720223.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45321 + ... + 45391.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 2^3220276 is an apocalyptic number.

It is an amenable number.

3220276 is an abundant number, since it is smaller than the sum of its proper divisors (3311564).

3220276 is a wasteful number, since it uses less digits than its factorization.

3220276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3220276 is about 1794.5127472381. The cubic root of 3220276 is about 147.6718441477.

Adding to 3220276 its reverse (6720223), we get a palindrome (9940499).

The spelling of 3220276 in words is "three million, two hundred twenty thousand, two hundred seventy-six".